wall reef

wall reef

[′wȯl ¦rēf]
(geology)
A linear, steep-sided coral reef constructed on a reef wall.
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References in periodicals archive ?
We were in territory that no scuba diver could ever reach and things got decidedly murkier as we sank lower and lower in front of Grand Cayman's west wall reef.
TSX:DSM)(AMEX:DEZ) reports that it has encountered a new conglomerate reef the Foot Wall Reef (FW reef), approximately 40 meters in the footwall of the ore zone that is currently being mined.